Re: [PATCH 2/2] server: Ignore low word of a class instance when looking up for a window class.

[Alexandre Julliard]

Dmitry Timoshkov  writes:
> @@ -102,7 +102,7 @@ static struct window_class *find_class( struct process *process, atom_t atom, mo
>      {
>          struct window_class *class = LIST_ENTRY( ptr, struct window_class, entry );
>          if (class->atom != atom) continue;
> -
>    if (!instance || !class->local || class->instance == instance) return class;
> -
>    if (!instance || !class->local || (class->instance & ~0xffff) == (instance & ~0xffff)) return class;

I suspect that this may cause trouble with 16-bit classes.